War-weary veteran of ten thousand battles on a hundred worlds. Dedicated his life to recording the sounds of the Autobot-Decepticon conflict: the nervous laughter, the cries of pain, the blistering explosions, the chilling quiets. Hopes his work will one day serve as a grim reminder of the awful price of war. Can audio-record up to 20 years of sound. Armament is purely defensive: smoke discharger combines with dual repulsors. With his partner Raindance, combines to form Slamdance.
Grand Slam appeared in the following 6 comic books: